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C#ウェブアプリケーション・バックエンドエンジニア/ C# Web App & Backend Engineer

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A well-known technology company is looking for a C# Web Application and Backend Engineer. The selected candidate will develop and maintain a large-scale Order Management System supporting marketplace vendors and warehouse operations. This is a hybrid setup and a long-term contract role.

Responsibilities:

  • Develop, improve, and maintain system functions
  • Design and implement new features based on business requirements
  • Optimise performance and ensure system scalability
  • Mentor junior engineers and share technical expertise
  • Respond to technical inquiries and handle troubleshooting

Requirements:

  • More than 4 years of experience in C# development with WebAPI and SOLID principles
  • Practical experience with .NET Framework, .NET Core, and .NET 6+
  • Experience with CI/CD tools such as Jenkins, Kubernetes, and Docker is ideal
  • Proficient in MS SQL Server, Entity Framework, and Dapper
  • Skilled in web security and high-transaction system development
  • Understanding of Vue.js or other front-end frameworks is desired
  • Knowledge of Microservices, Kafka, and RabbitMQ is a plus
  • Familiarity with Scrum and Agile methodologies is preferred

About the Company:

A renowned technology company offering a wide range of services spanning e-commerce, fintech, digital content, and more. With a commitment to innovation and customer-centric solutions, the organisation continues to expand its ecosystem, empowering businesses and consumers alike.

Keywords:

C#開発, オーダーマネジメントシステム, ロジスティクス, バックエンドエンジニア, Webアプリケーション, SQLサーバー, エンティティフレームワーク, システム保守, マイクロサービス, 求人, 外資系

Job Ref: RVVNAG

Contract Type: Contract / Haken

Specialism: Information Technology

Focus: Development

Industry: IT

Salary: Negotiable based on experience

Workplace Type: Hybrid

Experience Level: Associate

Language: English - Business level

Location: Tokyo

Job Reference: RVVNAG-85A8168C

Date posted: 10 July 2025

Consultant: Marco Sala